class_docstr: The base Application for ipyparallel apps
  
  Primary extensions to BaseIPythonApplication:
  
  * work_dir
  * remote logging via pyzmq
  * IOLoop instance
docstr: override default log format to include time
docstr_tok: ["override","default","log","format","to","include","time"]
code: def _log_format_default(self):
      """override default log format to include time"""
      return (
          "%(asctime)s.%(msecs).03d [%(name)s]%(highlevel)s %(message)s"
      )
  
imports: import logging
  import os
  import re
  import sys
  import traitlets
  from IPython.core.application import BaseIPythonApplication
  from IPython.core.application import base_aliases
  from IPython.core.application import base_flags
  from IPython.utils.path import expand_path
  from jupyter_client.session import Session
  from tornado.ioloop import IOLoop
  from traitlets import Bool, Instance, Unicode, default, observe
  from traitlets.config.application import LevelFormatter, catch_config_error
  from .._version import __version__
label_desc: Use image node_id 3 for calling the BaseParallelApplication obj's underlying member method code with example usage: obj._log_format_default() and returns: str